FIELD: oil industry.
SUBSTANCE: invention relates to production of hydrocarbons, particularly to automatic monitoring of well operations. Method includes detection in well of object reflecting hydraulic signal, in which: providing well filled with fluid, providing passage of hydraulic signal; providing a hydraulic signal source having a fluid communication with the well for generating a hydraulic signal, and a pressure sensor for detecting a hydraulic signal and having a fluid communication with the well and at least one source of the hydraulic signal. Hydraulic signal is registered with the help of pressure sensor and pressure cepstrumgramm is formed, detecting intense signal at pressure capping diagram. Then, the object reflecting the hydraulic signal is detected in the well. Disclosed is a system for constructing a cap-chart and detecting a downhole object.
EFFECT: high accuracy of determining the actual position of objects-reflectors of tube waves.
32 cl, 7 dwg
